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| author | Namjae Jeon <namjae.jeon@samsung.com> | 2013-08-04 23:10:15 +0900 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-08-06 22:00:18 +0900 |
| commit | d2dc095f4280ad5fdea33769e8e119fd16648426 (patch) | |
| tree | f97a7bd3a06822c463e678770fb63dab52d0bc94 /fs/f2fs/super.c | |
| parent | b59d0bae6ca30c496f298881616258f9cde0d9c6 (diff) | |
| download | linux-d2dc095f4280ad5fdea33769e8e119fd16648426.tar.gz linux-d2dc095f4280ad5fdea33769e8e119fd16648426.tar.bz2 linux-d2dc095f4280ad5fdea33769e8e119fd16648426.zip | |
f2fs: add sysfs entries to select the gc policy
Add sysfs entry gc_idle to control the gc policy. Where
gc_idle = 1 corresponds to selecting a cost benefit approach,
while gc_idle = 2 corresponds to selecting a greedy approach
to garbage collection. The selection is mutually exclusive one
approach will work at any point. If gc_idle = 0, then this
option is disabled.
Cc: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Pankaj Kumar <pankaj.km@samsung.com>
Reviewed-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
[Jaegeuk Kim: change the select_gc_type() flow slightly]
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs/super.c')
| -rw-r--r-- | fs/f2fs/super.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index e161a24fbf39..94c0e2049546 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -148,12 +148,14 @@ static struct f2fs_attr f2fs_attr_##_name = { \ F2FS_RW_ATTR(gc_min_sleep_time, min_sleep_time); F2FS_RW_ATTR(gc_max_sleep_time, max_sleep_time); F2FS_RW_ATTR(gc_no_gc_sleep_time, no_gc_sleep_time); +F2FS_RW_ATTR(gc_idle, gc_idle); #define ATTR_LIST(name) (&f2fs_attr_##name.attr) static struct attribute *f2fs_attrs[] = { ATTR_LIST(gc_min_sleep_time), ATTR_LIST(gc_max_sleep_time), ATTR_LIST(gc_no_gc_sleep_time), + ATTR_LIST(gc_idle), NULL, }; |